set_viewport_camera

Set the editor viewport camera location and/or rotation.

SERVERUnreal SOURCE@jjpxdev/unreal-mcp

Medium RISK CLASS

Category Write

Parameters 20 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jjpxdev-unreal-mcp/set-viewport-camera.md

WHAT IT DOES

What set_viewport_camera does on Unreal

AI agents use set_viewport_camera to create or update resources in Unreal, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Unreal environment.

Parameter	Type	Required	Description
`location`	object	—	Camera location
`rotation`	object	—	Camera rotation

Parameters from the server's own tool schema.

RISK

Why set_viewport_camera is rated Medium

This tool modifies the editor viewport camera position/orientation, which is a reversible write operation affecting only the editor view. It has no destructive or irreversible effects and a minimal blast radius.

From the tool's definition Set the editor viewport camera location and/or rotation

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_viewport_camera safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Unreal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_viewport_camera, this is the rule to start with:

set_viewport_camera Rate-limited

set_viewport_camera stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_viewport_camera": {
      "limits": [
        {
          "counter": "set_viewport_camera_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Unreal, apply this rule, and every set_viewport_camera call is checked against it from then on.

FAQ

Questions about set_viewport_camera

What does the set_viewport_camera tool do? +

Set the editor viewport camera location and/or rotation. It is categorised as a Write tool in the Unreal MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does set_viewport_camera accept? +

set_viewport_camera accepts 2 parameters: location, rotation. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on set_viewport_camera? +

Register the Unreal MCP server in PolicyLayer and add a rule for set_viewport_camera: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Unreal. Nothing to install.

What risk level is set_viewport_camera? +

set_viewport_camera is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_viewport_camera? +

Yes. Add a rate_limit block to the set_viewport_camera rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block set_viewport_camera completely? +

Set action: deny in the PolicyLayer policy for set_viewport_camera. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides set_viewport_camera? +

set_viewport_camera is provided by the Unreal MCP server (@jjpxdev/unreal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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